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Reposted by Gilles Mazet-Roux

Volcaholic @volcaholic1.bsky.social · 13/04/2026

Whoahh!! Massive rockfall in Chamba, Himachal Pradesh, India. A huge section of rock beside the Bagheigadh–Changju road gave way in seconds, blocking the route with debris. Locals spotted smaller falls earlier and stopped traffic just in time, preventing a major tragedy.

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Reposted by Gilles Mazet-Roux

Julie Elliott @julieelliott.bsky.social · 20/11/2025

Cool study that uses acoustic signals recorded at seismic sensors to identify aircraft type flying overhead (different aircraft have different frequency signatures). Alaska provides a lot of aircraft variety to evaluate. ⚒️🧪🚁 pubs.geoscienceworld.org/ssa/tsr/arti...

a. Seismogram from one of the seismic sensors (largest signal is an earthquake). b. Residual spectrogram (difference between the spectrogram and the amplitude spectrum (red line at left). Curves overlain with dashed lines are the aircraft signal. The broad/smeared signal at lower frequencies is from an earthquake. c. Aircraft that made the signal, a Cessna 185. d. Flight pattern for the aircraft (blue) and locations of seismic sensors (red). Cross section of the residual spectrum along dashed line in b, large signal near beginning is from an earthquake.

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Observatoire volcanologique et sismologique de Martinique @ovsm.bsky.social · 27/10/2025

[Séisme ressenti] Un séisme a été enregistré le lundi 27 octobre 2025 à 08:38 heure locale. ➡️ magnitude 6.6 ± 0.3 ➡️ localisé à 168km à l'Est de la Désirade ➡️ type Tectonique 👉Si vous l'avez ressenti, merci de nous aider en témoignant sur www.franceseisme.fr

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Gilles Mazet-Roux @gmazet.bsky.social · 19/09/2025

#Kamtchatka earthquakes sequences update. The activity remains concentrated to the north of the rupture zone.

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Gilles Mazet-Roux @gmazet.bsky.social · 07/08/2025

I'm glad to see that good old GMT is still considered trendy software 👍 Often copied, never equaled

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Reposted by Gilles Mazet-Roux

Paul Eric @pauleric70.bsky.social · 10/07/2025

Really American Democracy in Danger: In a shocking moment, Stacey Abrams lays out in terrifying detail the methodical ten step process by which our democracy is being dismantled, and we might be at step nine already.😲🤬 Everyone needs to see this.

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Gilles Mazet-Roux @gmazet.bsky.social · 01/08/2025

48 hours hours after the #tsunami hit the Marquises Islands in French Polynesia, the waters in Nuku Hiva harbour are still agitated. (Source data.shom.fr)

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Reposted by Gilles Mazet-Roux

Fumihiko Ikegami @fikgm.bsky.social · 01/08/2025

Thanks to the authority in NZ, we have English version of the picture! www.geonet.org.nz/news/7KdKuPl...

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Gilles Mazet-Roux @gmazet.bsky.social · 31/07/2025

The magnitude 8.8 earthquake that struck #Kamtchatka on 29 July produced approximately 230 #aftershocks of magnitude 4 and above within 30 hours, which were distributed over an area measuring approximately 350 x 80 km. (Earthquake data: @lastquake.emsc.eu )

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Gaétan Heymes @gaetanheymes.bsky.social · 30/07/2025

Tsunami visible sur le marégraphe de Nuku Hiva d'après les données temps réel du SHOM services.data.shom.fr/maregraphie/...

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Gilles Mazet-Roux @gmazet.bsky.social · 30/07/2025

The M8.7 aftershocks are distributed on a ~ 350-km long x 100 km wide area. But actually the seismic crisis bagan on July 20 in #Kamtchatka. The foreshock sequence was concentrated on the north-east end of the rupture. #Tsunami

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Unseen Japan @unseenjapan.com · 30/07/2025

On X, Masaki Nobushiro posts a recurring (and useful) drawing about how people wrongly think a 1m tsunami is a cresting wave when it's actually a wall of water filled with dangerous and deadly debris that's strong enough to sweep up a car. #tsunami

X post by @nobushiromasaki. JP text: カムチャッカ半島付近の大地震（M8.0）による津波、日本各地にも1m程度の津波が来るという注意報が出てる。侮らないで。1mは、ふつうに自動車が流されるレベルです。画像は拾い物だけど、これが本当だから。沿岸地域の方、特に気をつけて！

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Dr. Alice-Agnes Gabriel @inseismoland.bsky.social · 30/07/2025

Magnitude 8.7 #earthquake in Kamchatka, following a M7.4 last week - may be largest earthquake since 2011, 8th largest on record globally, #tsunami warning in place for US west coast and Canada - the historic 1952 M9 closely caused a destructive tsunami across the Pacific

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José R. Ribeiro @joserodribeiro.bsky.social · 14/08/2024

14 August 1846 12:00 UT Mw6.0 earthquake almost destroyed Orciano Pisano, near Livorno (Tuscany, Northern Italy), killing 60 people. Felt as far as Milan. Four months of aftershocks. emidius.mi.ingv.it/ASMI/event/1... imuseum.im e-newspaperarchives.ch Largest known EQ in that area...

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Prof. Eliot Jacobson @climatecasino.net · 15/07/2025

Will this be the last Keeling curve upate from NOAA for CO2 at Mauna Loa? June 2025: 429.61 ppm This may be a tragic moment:

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Michael Lowry @michaelrlowry.bsky.social · 26/06/2025

A huge blow was dealt to hurricane forecasters this week as a critical tool was abruptly terminated by the Department of Defense and NOAA. The immediate discontinuation of data from three weather satellites will severely impact hurricane forecasts this season and beyond. More ⬇️

michaelrlowry.substack.com

Critical Hurricane Forecast Tool Abruptly Terminated

U.S. Department of Defense announced Tuesday it would no longer process and deliver data essential to most hurricane forecasts

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Christopher Cartwright @chriscartwright.bsky.social · 20/06/2025

#Greenland melting 19.06.2025 We are going parabolic Finally some #Climate action in the #cryosphere But the NEWS OF THE DAY is not this. You will need to wait 2 hours to find out #ClimateCrisis #cryosphere

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Chris Becke (aka BeckePhysics) @chrisbecke.bsky.social · 02/06/2025

It seems My Etna is active this morning. This is an 8x Timelapse of the moment of eruption

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Melaine Le Roy @subfossilguy.bsky.social · 01/06/2025

Finally some precise numbers for the Blatten deposit! 👇 11 Mio m3 and up to 32 m thick ! 😱

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Melaine Le Roy @subfossilguy.bsky.social · 29/05/2025

FACTSHEET about Birch Glacier collapse by glaciologists of ETHZ @vaw-glaciology.bsky.social 🧊❄️ Don't miss that read! 🙏 polybox.ethz.ch/index.php/s/... 📷 Pomona

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David Ho @davidho.bsky.social · 29/05/2025

My friend is in charge of the team that wrote the climate change adaptation plan for Switzerland and this is one of the things they expected.

theguardian.com

Swiss village almost entirely destroyed after collapse of glacier buries it in mud

One person missing and Blatten devastated after huge cloud of ice and rubble inundates evacuated town

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Luca Malatesta @geoluca.bsky.social · 28/05/2025

Helicopter view published by Pomona Media (🔗 below) shows the lake building up by the end of the day. 5 m3/s is a lot of water. youtu.be/R0YlCNDW2l4?...

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Melaine Le Roy @subfossilguy.bsky.social · 28/05/2025

Upstream and downstream view of the deposit! 🧊🌊 Massive... 😱😱😱 www.letemps.ch/suisse/valai...

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Reposted by Gilles Mazet-Roux

Melaine Le Roy @subfossilguy.bsky.social · 28/05/2025

The river level has already started to rise behind the dam in Blatten! 🌊 A lake is underway... 😨 To 'mitigate' flooding hazard in the valley, the Ferden dam lake, located 6 km downstream has been emptied. 📷 SRF

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Reposted by Gilles Mazet-Roux

Melaine Le Roy @subfossilguy.bsky.social · 28/05/2025

SPEECHLESS BEFORE / AFTER #BLATTEN The magnitude of destruction after the 3:24 pm collapse of Birch Glacier is immense! 😱 All the forest has been razed and the ice/wood/debris dammed the Lonza river 🌊 Some buildings of Blatten are buried 🏠 📷 Pomona

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Jan Beutel @janbeutel.bsky.social · 28/05/2025

What an inaugural post on bsky.app. A (the) major glacier collapse at Bichgletscher/Kleines Nesthorn.

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Gilles Mazet-Roux @gmazet.bsky.social · 28/05/2025

Image from #Blatten valley www.lenouvelliste.ch/valais/haut-...

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Gilles Mazet-Roux @gmazet.bsky.social · 28/05/2025

The #landslide in #Blatten valley generated a strong seismic signal which can be observed at a distance of 400 km. #Seiscomp

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Reposted by Gilles Mazet-Roux

Jan Holler @janholler.bsky.social · 28/05/2025

#Blatten (VS): Vor 25 Minuten ist ein riesiger Abbruch erfolgt. Man sieht auf den Bildern von Gegenüber das kleine Nesthorn und den Verlauf des Abbruchs, wie sich eine riesige Stein und Staubwolke nach unten bewegt. (dies ist der Alt-Text für alle Bilder).

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Gilles Mazet-Roux @gmazet.bsky.social · 28/05/2025

The rockfall that was expected for weeks in #Blatten valley just happened 30 minutes ago www.youtube.com/live/FNS7p5l...

youtube.com

Pomona Media überträgt einen Livestream.

YouTube video by Pomona Media

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Reposted by Gilles Mazet-Roux

Johanns (Alpen) weer @johannsalpenweer.bsky.social · 20/05/2025

Update Bergsturz Blatten Lötschental. Het “Kleine Nesthorn” verloor gedurende de nacht enorme hoeveelheden materiaal aan de NO kant. Zoals foto's van de volgende dag laten zien, is de flank afgebroken. Een deel van de noordelijke helling en vrijwel de gehele oostelijke bergkam zijn verdwenen......

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Melaine Le Roy @subfossilguy.bsky.social · 19/05/2025

Already + 100,000 m3 fallen from the Klein Nesthorn N face at ~3200 m asl, and something between 1 to 5 Millions m3 more are 'forecasted'... 😱 That's quite a thing! Blatten village evacuated 😭 The 'Crumblocene' is definitely a nice time to live! 🏔️🌊 www.20min.ch/fr/story/can...

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Henning @geohenning.bsky.social · 12/05/2025

This is truly mind-blowing. At first I only looked at the crack appearing in the foreground in the pavement, then I saw the sudden and fast movement of the earth in the distance and on the right. 🤯🧪⚒️ youtu.be/77ubC4bcgRM?...

youtu.be

First fault rupture ever filmed. M7.9 surface rupture filmed near Thazi, Myanmar

YouTube video by 2025 Sagaing Earthquake Archive

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Jascha Polet @jascha.bsky.social · 02/05/2025

Sea level monitoring stations in South America do not appear to show significant #tsunami waves due to the Drake passage #earthquake. One station on Antarctica does show a peak to peak variation of about 40 cm. ⚒️🧪

Graph of data from unesco sea level monitoring station on Antarctica showing possible tsunami waves with peak to peak amplitude of about 40 cm

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Gilles Mazet-Roux @gmazet.bsky.social · 14/04/2025

White House may seek to slash NASA’s science budget by 50 percent arstechnica.com/space/2025/0...

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Ryan J Hollister @phaneritic.bsky.social · 28/03/2025

As many other folks have posted, the Civil War in Myanmar and govt control of media access could be one reason we don’t see much info coming out of country. The other possible cause is that infrastructure and population was affected so severely it broke many communication channels.

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Danielle Madugo @daniellemadugo.bsky.social · 28/03/2025

The revised focal mechanism is RLSS. Wikipedia has a nice map with the fault sections on it and Ray thinks that is was the section that hasn’t ruptured since 1839.

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Gilles Mazet-Roux @gmazet.bsky.social · 28/03/2025

The fault involved in the M7.7 earthquake in #Myanmar is well known but the #Mandalay area didn't show much seismic activity so far.

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LastQuake @lastquake.emsc.eu · 28/03/2025

ℹ Aftershocks will occur in the next hours/days and that might be stressful.🙏 Stay away from damaged areas for your own safety and to give priority access to emergency responders 🚒 Be careful and follow national authorities' information.

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Jascha Polet @jascha.bsky.social · 28/03/2025

M7.7 shallow strike slip #earthquake in Myanmar that occurred an hour ago has red PAGER estimates for fatalities and economic losses and is located near the city of Mandalay ⚒️🧪 earthquake.usgs.gov/earthquakes/...

Shake map contours on map of population density

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Dave Petley @davepetley.bsky.social · 28/03/2025

Initial reports for the #Myanmar #earthquake suggest a shallow, mw=7.7 event. This is going to be extremely serious - almost a direct hit on Mandalay (population of 1.2 million), plus many other villages in the area. The population has high vulnerability. A major international response is vital.

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Özetle Haber @ozetlehaber.com · 28/03/2025

🔴 Myanmar’da 7.7 büyüklüğünde bir deprem meydana geldi. #myanmar #deprem #sondakika

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𝔻𝕖𝕖 🇺🇲 @contrarianreader.substack.com · 28/03/2025

#breaking 🚨 Breaking: A powerful 7.7 magnitude #earthquake has struck #Myanmar and the surrounding region. The iconic Ava Bridge in Mandalay has collapsed into the Irrawaddy River. Shocks felt in Thailand, Cambodia and Vietnam as well.

Ava Bridge in Mandalay following the earthquake

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Brandon Bishop @brandontbishop.bsky.social · 28/03/2025

Something like 1300-1400 km between the epicenter of the earthquake (Mandalay, Myanmar) and where this video was shot. Highrise buildings are more sensitive to low frequency seismic waves that travel for long distances, so are more likely to be damaged far from an earthquake's epicenter.

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